AS11971 Pfizer Inc. 🇺🇸 US
Announcing 7 prefixes, seen at the RIS collectors.
IPv4 prefixes
7
76,800 (300 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS11971
- Name
- Pfizer Inc.
- Organisation
- Pfizer Inc.
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1999-02-17
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
7 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 146.240.1.0/24 v4 | no ROA | 39 | 244821583011971 | 2026-09-18 |
| 148.168.0.0/16 v4 | no ROA | 9 | 2265212991583011971 | 2026-09-18 |
| 148.168.32.0/19 v4 | no ROA | 40 | 244821583011971 | 2026-09-18 |
| 148.168.35.0/24 v4 | no ROA | 41 | 244821583011971 | 2026-09-18 |
| 148.168.192.0/22 v4 | no ROA | 39 | 244821583011971 | 2026-09-18 |
| 148.168.192.0/23 v4 | no ROA | 41 | 244821583011971 | 2026-09-18 |
| 148.168.224.0/22 v4 | no ROA | 39 | 244821583011971 | 2026-09-18 |